From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 10 May 2007 15:11:52 -0700 (PDT) From: Christoph Lameter Subject: Re: [Bug 8464] New: autoreconf: page allocation failure. order:2, mode:0x84020 In-Reply-To: <20070510220657.GA14694@skynet.ie> Message-ID: References: <200705102128.l4ALSI2A017437@fire-2.osdl.org> <20070510144319.48d2841a.akpm@linux-foundation.org> <20070510220657.GA14694@skynet.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Mel Gorman Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Nicolas.Mailhot@LaPoste.net, "bugme-daemon@kernel-bugs.osdl.org" List-ID: On Thu, 10 May 2007, Mel Gorman wrote: > I see the gfpmask was 0x84020. That doesn't look like __GFP_WAIT was set, > right? Does that mean that SLUB is trying to allocate pages atomically? If so, > it would explain why this situation could still occur even though high-order > allocations that could sleep would succeed. SLUB is following the gfp mask of the caller like all well behaved slab allocators do. If the caller does not set __GFP_WAIT then the page allocator also cannot wait. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org